Home / 33,119.99-45,715.59-22,515.77

Finding the Fourth Proportional to 33,119.99, 45,715.59 and 22,515.77

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Solution

The fourth proportional to 33,119.99, 45,715.59 and 22,515.77 is: 31,078.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,119.99 : 45,715.59 = 22,515.77 : x
  2. Step 2: Convert to fraction form
    33,119.99/45,715.59 = 22,515.77/x
  3. Step 3: Cross multiply
    33,119.99x = 45,715.59 × 22,515.77
  4. Step 4: Simplify right side
    33,119.99x = 1,029,321,824.14
  5. Step 5: Solve for x
    x = 1,029,321,824.14/33,119.99
  6. Step 6: Final answer
    x = 31,078.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.